Fix saving the shader so that it can be used on objects in the scene.

MaterialGraphProject/Assets/GraphFramework/SerializableGraph/Editor/Drawing/AbstractGraphEditWindow.cs

 				if (!string.IsNullOrEmpty(path) && m_InMemoryAsset != null) 
 				{
 					File.WriteAllText (path, EditorJsonUtility.ToJson (m_InMemoryAsset.graph as object));
-					AssetDatabase.Refresh ();
+					AssetDatabase.ImportAsset (path);
-					if (asset != null)
+					if (asset != null) {
+						m_Selected = null;
+					}
 				}
 			}
 		}

MaterialGraphProject/Assets/GraphFramework/SerializableGraph/Editor/Drawing/Presenters/TitleBarPresenter.cs

 
         void UpdateAsset()
         {
+			//TODO: We need two currently.. fix later
+			m_Owner.UpdateAsset ();
 			m_Owner.UpdateAsset ();
         }
     }

MaterialGraphProject/Assets/UnityShaderEditor/Editor/Importers/ShaderGraphImporter.cs

 		if (shader == null)
 			return null;
 
+		File.WriteAllText (path, shaderString);
 		ShaderUtil.UpdateShaderAsset (shader, shaderString);
 
 		var shaderImporter = AssetImporter.GetAtPath(path) as ShaderImporter;